fixing the problem of dicom display in some viewers

Author: MRKonrad

app/Tomato.h

@@ -45,7 +45,7 @@ namespace Ox {
     public:
         // typedefs primitive data types
         typedef MeasureType InputPixelType;
-        typedef int OutputPixelType;
+        typedef int16_t OutputPixelType; // int does not work with some dicom viewers, be sure to use short (int16)
 
         // typedefs image data types
         typedef itk::Image<InputPixelType, 3> ImageType3D;

app/Tomato_export.hxx

@@ -12,11 +12,13 @@
 
 namespace Ox {
 
+    template< typename IType, typename EType >
     class CastPixelAccessor
     {
     public:
-        typedef double InternalType;
-        typedef int ExternalType;
+
+        typedef IType InternalType;
+        typedef EType ExternalType;
 
         static void Set(InternalType & output, const ExternalType & input)
         {
@@ -276,7 +278,7 @@ namespace Ox {
         gdcmImageIO->KeepOriginalUIDOn();
 
         // to cast
-        typedef itk::AdaptImageFilter<ImageType2D, OutputImageType, CastPixelAccessor> ImageAdaptorType;
+        typedef itk::AdaptImageFilter < ImageType2D, OutputImageType, CastPixelAccessor< InputPixelType, OutputPixelType > > ImageAdaptorType;
         typename ImageAdaptorType::Pointer adaptor = ImageAdaptorType::New();
 
         // get the writer ready before export

tests/Tomato_sameAsShmolli_test.cpp

@@ -21,7 +21,7 @@ TEST(Tomato, sameAsShmolli) {
     bool doVisualise = false; //for debugging
 
     // primitive data types
-    typedef int PixelType;
+    typedef int16_t PixelType;
 
     // image data types
     typedef itk::Image< PixelType, 2 > ImageType2D;